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Finding the Fourth Proportional to 704,368.13, 1,056,718.05 and 560,816.89

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Solution

The fourth proportional to 704,368.13, 1,056,718.05 and 560,816.89 is: 841,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,368.13 : 1,056,718.05 = 560,816.89 : x
  2. Step 2: Convert to fraction form
    704,368.13/1,056,718.05 = 560,816.89/x
  3. Step 3: Cross multiply
    704,368.13x = 1,056,718.05 × 560,816.89
  4. Step 4: Simplify right side
    704,368.13x = 592,625,325,663.01
  5. Step 5: Solve for x
    x = 592,625,325,663.01/704,368.13
  6. Step 6: Final answer
    x = 841,357.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.